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This is probably a bad sign but I'm not sure what you mean by type of fan a shroud . The trim tag is missing so I'm not sure if radiator is made for a BB. The best I can say is that it has two fans on it. I'll try and post a pic.

I just noticed my fan never kicked on. Runs at 180-190 but idle shoots up quick. Disconnected the positive fan wire connected straight to battery and both fans kicked in so I know the fan motor works. Is it possible the little control box is bad? What would that part be called? See next picture.

The wire I indicate being in- plugged from switch is bc fan would not turn on and I unplugged and connected to battery to turn on fans and cool down.

Is that switch suppose to turn fans on once certain temp is reached?

Is the wire you show as "ground" actually attached as a ground, or does it terminate at a thermostatic switch ? Got to be a signal from a thermo source there somewhere to tell the relay to complete the circuit -

But does this part start radiator fan when temp gets to a certain point? I'm trying to figure out why the fans are not kicking on.

I assume you realize that is NOT a factory part? that is an aftermarket part which goes with most of those other aftermarket parts shown in your photo. Early Camaros use fans driven by the motor, NOT electric fans. Did you drive the car in the Texas heat before you bought it? Did it overheat then?

That's a 2-core aftermarket radiator with no shroud and no engine-driven fan, and one small electric fan; it's no wonder it overheats. When they transplanted the big-block, they didn't bother to upgrade the cooling system to match. Factory-built big-blocks (396) used a thicker 3-core radiator, full shroud, fan clutch, and special fan; set it up with the correct factory parts and it won't overheat.